Hercynite
      Andreozzi G B, Lucchesi S
      American Mineralogist 87 (2002) 1113-1120
      Intersite distribution of Fe2+ and Mg in the spinel (sensu stricto) -
      hercynite series by single-crystal X-ray diffraction
      Sample: He2f/e
      _database_code_amcsd 0002873

      CELL PARAMETERS:    8.0895   8.0895   8.0895   90.000   90.000   90.000
      SPACE GROUP: Fd3m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    529.377
      Density (g/cm3):      3.606
      MAX. ABS. INTENSITY / VOLUME**2:      19.97768665    
      RIR:      1.804
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                19.00         25.94        4.6705    1   1   1         8
                31.27         35.25        2.8601    2   2   0        12
                36.85        100.00        2.4391    3   1   1        24
                38.55          1.03        2.3352    2   2   2         8
                44.82         51.38        2.0224    4   0   0         6
                55.66         10.12        1.6513    4   2   2        24
                59.36          3.32        1.5568    3   3   3         8
                59.36         42.81        1.5568    5   1   1        24
                65.24         70.37        1.4300    4   4   0        12
                68.64          2.53        1.3674    5   3   1        48
                74.13          3.27        1.2791    6   2   0        24
                77.35         10.33        1.2336    5   3   3        24
                82.64          6.10        1.1676    4   4   4         8
                85.78          2.39        1.1328    5   5   1        24
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       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.